Name: 24-hour Salad
Ingredients: 1 head lettuce, chopped in small bite sized pieces; 1 cup diced celery; 1 pkg. frozen peas, defrosted but not cooked (10 oz); 1 can sliced water chestnuts (6 oz); 1 Bermuda onion, sliced thin in rings; Parmesan cheese; crisp bacon, crumbled; 1 hard boiled egg, finely chopped

Why it works: Lettuce and water chestnut share more aroma than cooks usually use. They rank in the top 1% of all ingredient pairs, and cooks put them together in 25 recipes. Both carry coumarin, which smells sweet, hay. The science ↓

24-hour Salad

Ingredients

1 head lettuce, chopped in small bite sized pieces
1 cup diced celery
1 pkg. frozen peas, defrosted but not cooked (10 oz)
1 can sliced water chestnuts (6 oz)
1 Bermuda onion, sliced thin in rings
Parmesan cheese
crisp bacon, crumbled
1 hard boiled egg, finely chopped

Directions

Place in layers in salad bowl lettuce, celery, peas, water chestnuts, and bermuda onion.
Prepare dressing.
Scraped dressing over top and be sure it covers so no air can get in! then sprinkle with cheese, bacon and egg.
Place in refrigerator for 24 hours.
Any combination of vegetables can be used, but always use celery and water chestnuts.

Nutrition, whole recipe (rough)

348Calories

25 gProtein

16 gFat

25 gCarbs

Counts 7 of 9 ingredients. The other 2 aren't in our nutrition table and add nothing above, so the real totals are higher.

What these numbers assume: 7 portions

Ingredient	Portion assumed	kcal
Parmesan Cheese	1 oz (28g)	110
Egg	1 large egg (50g)	78
Pea	1/2 cup (72g)	62
Onion	1 medium (110g)	44
Bacon	1 slice cooked (8g)	43
Celery	1 stalk (40g)	6
Lettuce	1 cup shredded (36g)	5
Water	not in our table	0
Chestnut	not in our table	0

One typical portion per ingredient; the recipe's quantities are not counted. A rough guide only, not for medical or dietary planning.

Recipe from the Recipes Wiki (Fandom).

Explore the science

The flavor team

The pairs that carry this dish. Each one is judged two ways: how much their aromas overlap, and how often cooks already put them together.

Lettuce + water chestnuttop 1% of all pairs

Smell alikestrong

Cooked together25 recipes

Shared aroma: coumarin (sweet, hay).
Lettuce + celerytop 4% of all pairs

Smell alikestrong

Cooked together2,033 recipes

Shared aroma: nonanal (fat, citrus).
Lettuce + peastop 5% of all pairs

Smell alikestrong

Cooked together1,293 recipes

Shared aroma: 2-isobutyl-3-methoxypyrazine (green bell pepper, earthy).
Water chestnut + oniontop 5% of all pairs

Smell alikestrong

Cooked together205 recipes

Shared aroma: coumarin (sweet, hay).
Celery + water chestnuttop 7% of all pairs

Smell alikemoderate

Cooked together78 recipes

Shared aroma: coumarin (sweet, hay).

Ranks compare each pair with 20,000 random ingredient pairs on CompKitchen. How we score pairs

Swap the onion

How well each one fits the dish's main ingredients (lettuce, celery, peas, water chestnut, parmesan cheese, egg):

Spinachfits better
Welsh onionfits better
Asparagusfits better
Onionthe original

Fit is the average pairing score against lettuce, celery, peas, water chestnut, parmesan cheese, egg. Candidates are from the same food group and used in at least 100 recipes.